London’s Basement Conversions

If you’re looking to maximise the potential of your property and create additional living space, OLBC is your trusted partner for your basement conversion in London. Basement conversions give London’s homes an entirely new lease of life. They offer the solution for spectacular extra spaces that the original structure above often cannot accommodate.

With our expertise in basement construction, we can design and build a single storey or multi-level basement, or we can transform your existing basement into a functional and stylish living area. Whether you envision a wine cellar, a playroom, or even a swimming pool, we have the skills and knowledge to bring your ideas to life.

The OLBC basement process

Our aim is to make the whole process run as smoothly as possible.

• Just Call Us (or WhatsApp us) – we will take a few details and tell you right away if the project is a fit for us
• Meet a Director – one of our experienced Directors will come out and assess the project with you
• References – take some references from past clients
• Structural Estimate – we will have given you a price which is generally pretty accurate†
• Design Meeting – meet our Design Director and explain exactly what you require
• Design Estimate – you will now have all of our pricing
• Appointment – time for you to make an informed choice
• Engineering – OLBC will handle the structural engineering for your project with one of our select panel of design engineers
• Planning – OLBC will handle the planning application
• Contract – we usually use a JCT D&B contact – from all online bookstores
• Start Date – this is where it gets exciting – a date is in the diary
• Party Wall – the bit nobody loves but has to be done – OLBC will help you to choose and appropriate Party Wall Surveyor from our panel
• Start Onsite – our team arrives onsite to start setting up connecting temporary power and building hoardings a few days later one of our electric diggers will come onsite

†Subject to ground investigations, survey, engineering, Party Wall and any required reports.

Successful London basement conversions require a very high level of design and then constructional expertise coupled interior design knowledge to create the effortlessly spectacular spaces that our clients desire. OLBC have the most experienced team in the business who are able to maximise the potential of your basement space from planning consents through to complex engineering solutions and ultimately to the interior design coupled with an extraordinary standard of finish.

OLBC are proven leaders in the field of residential London basement conversions. Our in-house design team and workforce have been working hand-in-hand delivering basement conversions for private clients since the earliest inception of retrofit basements, making us the longest established basement company in London. As well as having unmatched in-house knowledge which makes OLBC the perfect solution for your basement project.

Our expert understanding of period property allows us to integrate and deliver highly crafted London basement conversions and basement extensions that flow and blend elegantly with the original building. One of the most important things that we can bring to a project, as well as the aesthetic ideals, is really bringing a sense of the building to our projects so that they retain and enhance the charm and character of the house.

Planning permissions for basements is a core activity that we carry out with our in-house team. We are justly proud of our 100% success rate for gaining basement planning application consents in London boroughs. By working with OLBC you gain access to far more than just the top basement contractor in the London market; it is the proven planning design and execution expertise that you gain.When it comes to basement conversions and basement excavation, waterproofing is a crucial consideration.

At OLBC, we employ state-of-the-art waterproofing systems to protect your basement from moisture and potential water damage. Another essential aspect of any basement conversion project is ensuring compliance with the Party Wall Act. We understand the importance of this legal requirement and our team is well-versed in handling party wall agreements, making the process smooth and hassle-free for our clients.

We are selective with whom we work and carry out a maximum of five projects at any one time, ensuring you have access to one of the Directors as your main point of contact. To ensure the success of your basement conversion project in London, we work closely with structural engineers and architects. Our collaborative approach allows us to create innovative designs that maximise the available space and meet your specific requirements.

But it’s not just London basement conversions we specialise in; whole house projects and loft conversions are at the absolute core of what makes OLBC so special. We take amazing Georgian and Regency buildings, breathing life into them and turning them into something that is beautifully finished, beautifully conceived and absolutely timeless. Equally, we are just as at ease designing and executing totally modern style retrofit basements. Look at our portfolio: it speaks for itself.

For any questions, please get in touch via our email form, WhatApps us or speak directly to our team on 0208 877 0526.